util-floordiv-test.cpp File Reference

unit test UtilFloordiv_test More...

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Description

unit test UtilFloordiv_test

Definition in file util-floordiv-test.cpp.

#include "lib/test/run.hpp"
#include "lib/util-quant.hpp"
#include "lib/util.hpp"
#include "lib/format-cout.hpp"
#include "lib/format-string.hpp"
#include <cmath>
#include <time.h>
#include <vector>

Namespaces
namespace	util
namespace	util::test
namespace	util::test::anonymous_namespace{util-floordiv-test.cpp}

Macros
#define	START_TIMINGS   start=clock();
#define	DISPLAY_TIMINGS(ID)

Typedefs
typedef std::vector< int >	VecI

Classes
class	UtilFloordiv_test

Functions
VecI	buildTestNumberz (uint cnt)
long	integerDiv (long num, long den)
	the built-in integer division operator, packaged as inline function for timing comparison
long	floordiv_alternate (long num, long den)
	an alternate formulation, which turned out to perform slightly worse
	LAUNCHER (UtilFloordiv_test, "unit common")

Variables
const uint	NUM_ELMS_PERFORMANCE_TEST = 50000000
const uint	NUMBER_LIMIT = 1 << 30

Macro Definition Documentation

START_TIMINGS

#define START_TIMINGS   start=clock();

DISPLAY_TIMINGS

#define DISPLAY_TIMINGS

(

ID

)

Value:

          stop = clock();      \
          cout << resultDisplay % STRINGIFY (ID) % (double(stop-start)/CLOCKS_PER_SEC) ;